Police Line, Do Not Cross. Yellow warning tape on concrete.
via Business Insider: FROM PARADISE TO SLUM: Shocking Facts About The New York City Wealth Gap
"Only 0.75 miles separate one of New York's wealthiest congressional districts from one of its poorest. New York Magazine profiles the gap between New York's 14th and 16th congressional districts. The 14th includes most of Manhattan's East Side below Harlem and a large portion of Queens, and the 16th includes a large portion of the Bronx. We picked out some dramatic facts from this must-read article."